/*
 * Copyright (C) 2009,2010 University of Paderborn, Computer Networks Group
 * Copyright (C) 2009,2010 Christian Dannewitz <christian.dannewitz@upb.de>
 * Copyright (C) 2009,2010 Thorsten Biermann <thorsten.biermann@upb.de>
 * 
 * Copyright (C) 2009,2010 Eduard Bauer <edebauer@mail.upb.de>
 * Copyright (C) 2009,2010 Matthias Becker <matzeb@mail.upb.de>
 * Copyright (C) 2009,2010 Frederic Beister <azamir@zitmail.uni-paderborn.de>
 * Copyright (C) 2009,2010 Nadine Dertmann <ndertmann@gmx.de>
 * Copyright (C) 2009,2010 Michael Kionka <mkionka@mail.upb.de>
 * Copyright (C) 2009,2010 Mario Mohr <mmohr@mail.upb.de>
 * Copyright (C) 2009,2010 Felix Steffen <felix.steffen@gmx.de>
 * Copyright (C) 2009,2010 Sebastian Stey <sebstey@mail.upb.de>
 * Copyright (C) 2009,2010 Steffen Weber <stwe@mail.upb.de>
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the University of Paderborn nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package netinf.eventservice.framework;

import java.util.List;

import netinf.common.communication.Communicator;
import netinf.common.messages.ESFEventMessage;

import org.apache.log4j.Logger;

import com.google.inject.Inject;

/**
 * Processes EventMessages received from a ResolutionService
 * 
 * @param <ES>
 *           The event service
 * @param <S>
 *           The subscriber
 * @param <E>
 *           The event type
 * @param <SC>
 *           the Subscriptions
 * @author PG Augnet 2, University of Paderborn
 */
public abstract class PublisherNetInf<ES, S, E, SC> {

   private static final Logger LOG = Logger.getLogger(PublisherNetInf.class);

   private final EventServiceNetInf<ES, S, E, SC> eventServiceNetInf;
   private Communicator publisherCommunicator;

   @Inject
   public PublisherNetInf(EventServiceNetInf<ES, S, E, SC> eventServiceNetInf) {
      this.eventServiceNetInf = eventServiceNetInf;
   }

   public void processEventMessage(ESFEventMessage e) {
      LOG.trace(null);
      List<E> events = translateEventMessage(e);

      for (int i = 0; i < events.size(); i++) {
         LOG.debug("Sending event to eventService: " + events.get(i));
         this.eventServiceNetInf.publish(events.get(i));
      }
   }

   public abstract List<E> translateEventMessage(ESFEventMessage e);

   public void setCommunicator(Communicator publisherCommunicator) {
      this.publisherCommunicator = publisherCommunicator;
   }

   public Communicator getCommunicator() {
      return this.publisherCommunicator;
   }
}
